10-6v+9v=28
10+3v=28
-10 -10
3v=18
3 3
v=6
Yuto is correct because he isolated the variable correctly and reversed the inequality symbol.
x < 3
There are 9 seniors.
Although there are several ways of solving this problem, I just did what was easiest for me in my head. I divided 36 by 4, which gave me 9.
If you would like to know the equation that shows the number of teaspoons of sugar needed to make x candy bars, you can calculate this using the following steps:
2.5 teaspoons of sugar ... 1 candy bar
y teaspoons of sugar = ? ... x candy bars = ?
2.5 * x = 1 * y
2.5 * x = y
y = 2.5 * x
The correct result would be <span>y = 2.5 * x.</span>
